Dating fender amplifier
The 4x10 Bassman used the prefix "BM" while the piggyback Bassman used the prefix "BP." The reverb units have the prefix "R." In addition, the tweed Super, Pro and Bandmaster sometimes have the prefix "S" in the serial number.
The blackface and silverface amps (late 1963 to 1980) generally have serial numbers begin with the prefix "A." However, it appears that these were not used sequentially across all models.
His particular area of expertise is in Fender amps made from about 1960 through 1967.
Devin runs Doc's Music in Springfield, Missouri and his interest lies in the woodie and tweed Fender amps made from 1946 through 1960.
The factory realized its mistake in February because these amps have a "PB" date code in black ink.
After reading Teagle and Sprung's excellent Fender amp book, I took them up on their challenge that maybe someday someone will compile enough serial numbers so that Fender amps can be dated that way. I contacted several Fenders collectors and dealers who were kind enough to supply me with data.
Jeff is an amp tech who specializes in Fender amps, i.e.
only Fender amps, and single handedly has submitted well over 250 very complete sets of data.
Preliminary results show that we're on the right track.
Here's a couple of examples using the tweed Deluxe (model 5E3) and the Super Reverb/Bandmaster Reverb. Model Year D05108 Deluxe 1958 D05160 Deluxe 1958 D06528 Deluxe 1958 D07036 Deluxe 1959 D07115 Deluxe 1959 D07418 Deluxe 1959 D08325 Deluxe 1959 D08913 Deluxe 1959 D09014 Deluxe 1959 D09338 Deluxe 1960 D09399 Deluxe 1960 D09524 Deluxe 1960 A27769 Super Reverb 1967 A27796 Super Reverb 1967 A29591 Super Reverb 1968 A31057 Super Reverb 1968 A31079 Bandmaster Reverb 1968 A32839 Super Reverb 1968 A32841 Super Reverb 1968 A34448 Super Reverb 1968 A37667 Super Reverb 1969 A37949 Bandmaster Reverb 1969 A40130 Bandmaster Reverb 1969 A41569 Super Reverb 1969 So, with the knowledge gained thus far, we feel that Fender tube amps can be dated by serial number.
If anyone has an amp with a "PA" stamp, please let us know.